1212210010102 has 48 divisors (see below), whose sum is σ = 2278282486032. Its totient is φ = 479472799680.

The previous prime is 1212210010057. The next prime is 1212210010157. The reversal of 1212210010102 is 2010100122121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7578868 + ... + 7737160.

It is an arithmetic number, because the mean of its divisors is an integer number (47464218459).

Almost surely, 2^{1212210010102} is an apocalyptic number.

1212210010102 is a deficient number, since it is larger than the sum of its proper divisors (1066072475930).

1212210010102 is a wasteful number, since it uses less digits than its factorization.

1212210010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164333 (or 164326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212210010102 its reverse (2010100122121), we get a palindrome (3222310132223).

The spelling of 1212210010102 in words is "one trillion, two hundred twelve billion, two hundred ten million, ten thousand, one hundred two".